<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>标签嵌套以及HTML转义</title>
    <style>
        li{
            width:500px;
            height:500px;
            background-color: deeppink;
        }
        div{
            font-size: 10px;
            width:30px;
            height:30px;
            background-color: white;
        }
    </style>
</head>
<body>
<li>
    <div>
        我是孟卓
    </div>
</li>
</body>
</html>